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Formation, stability and ultrahigh strength of novel nanostructured alloys by partial crystallization of high-entropy (Fe 0.25 Co 0.25 Ni 0.25 Cr 0.125 Mo 0.125 ) 86‒89 B 11‒14 amorphous phase

Autor: Wang, F, Inoue, A, Kong, FL, Zhu, SL, Shalaan, E, Al-Marzouki, F, Botta, WJ, Kiminami, CS, Ivanov, YP, Greer, AL

© 2019 Acta Materialia Inc. Heating-induced crystallization of high-entropy (HE) (Fe 0.25 Co 0.25 Ni 0.25 Cr 0.125 Mo 0.125 ) 86‒89 B 11‒14 amorphous (am) alloys is examined to develop new structural materials with low B contents. The crystalliz

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Formation, thermal stability and mechanical properties of high-entropy (Fe0.25Co0.25Ni0.25Cr0.125Mo0.0625Nb0.0625)100‒xBx (x = 7–14) amorphous alloys

Autor: Wang, F, Inoue, A, Kong, FL, Zhao, CC, Zhang, JY, Zhu, SL, Botta, WJ, Kiminami, CS, Ivanov, YP, Greer, AL

High-entropy (Fe0.25Co0.25Ni0.25Cr0.125Mo0.0625Nb0.0625)100‒xBx amorphous alloys are formed with low (8–14 at%) boron contents by melt spinning. With increasing boron, the broad halo in X-ray diffraction shifts to indicate a decreasing average sp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______109::ff6f99931232e0142d2f720e543807a4
https://www.repository.cam.ac.uk/handle/1810/302885

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Formation, stability and ultrahigh strength of novel nanostructured alloys by partial crystallization of high-entropy (Fe 0.25 Co 0.25 Ni 0.25 Cr 0.125 Mo 0.125 ) 86‒89 B 11‒14 amorphous phase

Autor: Wang, F, Inoue, A, Kong, FL, Zhu, SL, Shalaan, E, Al-Marzouki, F, Botta, WJ, Kiminami, CS, Ivanov, YP, Greer, AL

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______109::7deb2f513c2c124f54ab6d1ea17f146c
https://www.repository.cam.ac.uk/handle/1810/302978

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Stored energy in metallic glasses due to strains within the elastic limit

Autor: Greer, AL, Sun, YH

Room-temperature loading of metallic glasses, at stresses below the macroscopic yield stress, raises their enthalpy and causes creep. Thermal cycling of metallic glasses between room temperature and 77 K also raises their enthalpy. In both cases, the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______109::1db5ee0442262dff3f393b68ff969e63
https://www.repository.cam.ac.uk/handle/1810/255114

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The atomistic mechanism of fast relaxation processes in Cu65Zr35 glass

Autor: Palomino Rico, P, Papageorgiou, DG, Greer, AL, Evangelakis, GA

© 2017 Acta Materialia Inc. Molecular-dynamics simulations of the glass Cu 65 Zr 35 show a rattling mode of atomic motion. While the frequency of the rattling mechanism is essentially independent of temperature and of the strain applied to the glass

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______109::088357192968de25c4f7d5fe12d9b6ba
https://www.repository.cam.ac.uk/handle/1810/302999

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Thermomechanical processing of metallic glasses: Extending the range of the glassy state

Autor: Sun, Y, Concustell, A, Greer, AL

© 2016 Macmillan Publishers Limited, part of Springer Nature. For crystalline metals, the science, technology and application of thermomechanical processing are established, but this is not true for glasses. Metallic glasses-because they can be plas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______109::d00666e9e6a5c166a6277e15efe46c80
https://www.repository.cam.ac.uk/handle/1810/256027

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Viscosity of liquid Ag-In-Sb-Te: Evidence of a fragile-to-strong crossover

Autor: Orava, J, Weber, H, Kaban, I, Greer, AL

The temperature-dependent viscosity η(T) is measured for the equilibrium liquid of the chalcogenide Ag-In-Sb-Te (AIST), the first time this has been reported for a material of actual interest for phase-change memory. The measurements, in the range 8

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______109::1a77a5fde23db0767d91f7da20086845
https://www.repository.cam.ac.uk/handle/1810/255975

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Fast crystal growth in glass-forming liquids

Autor: Orava, J, Greer, AL

In liquids of high glass-forming ability, in which crystal growth rates are low, the rates can be measured over the full range of supercooling from the liquidus temperature down to the glass transition. For systems of low glass-forming ability, growt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8c43dec3e39aa761e31ef8d2ee3fd0d
https://www.repository.cam.ac.uk/handle/1810/256593

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Compressive plasticity of a La-based glass-crystal composite at cryogenic temperatures

Autor: Madge, SV, Louzguine-Luzgin, DV, Kawashima, A, Greer, AL, Inoue, A

The La55Al25Cu10Ni10–10 vol.% Ti glassy composites have excellent compressive strength and plasticity at room temperature (RT). At cryogenic temperature (77 K), neither the glassy matrix, nor the Ti particles undergo embrittlement, and the composit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______109::74be58d2dbe9511e46aa8b1c28c67453
https://www.repository.cam.ac.uk/handle/1810/254954

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Reversible migration of silver on memorized pathways in Ag-Ge40S60 films

Autor: Orava, J, Kozicki, MN, Yannopoulos, SN, Greer, AL

Reversible and reproducible formation and dissolution of silver conductive filaments are studied in Ag-photodoped thin-film Ge40S60 subjected to electric fields. A tip-planar geometry is employed, where a conductive-atomic-force microscopy tip is the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______109::e7f18944581d837fbc1dc991d3208b59
https://www.repository.cam.ac.uk/handle/1810/248919

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